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nc [target ip] [port] |
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nc -l -p [localport2] |
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nc [ip2] [port2] |
tee backpipe
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$ chmod +x relay.sh
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http://www.lslnet.com/linux/books/resource/curses1.html
http://www.lslnet.com/linux/books/resource/curses2.html
http://hi.baidu.com/%D0%ED%D0%F1%D6%F9/blog/item/f103b0cf214fbb0a93457ed8.html
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